Hi-Link B0305LS/B0312LS/B0303LS/B0309LS/B0315LS/B0324LS-1WR3 DC to DC 1W step down power converter module
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Price$0.61
Product Feature
Constant voltage input, isolated unregulatedoutput, power 1W
Isolation voltage: 1500VDC
Low no-load power consumption: 0.025W (Typ.)
Efficiency: up to 90%
Working environment temperature: -40°C~+85°C
Failure-free time MTBF23.5 million hours(3500000Hrs)
Output short circuit protection: continuous short
circuit protection, automatic recolvery
Small SIP package, plastic housing
International standard pin mode
Ripple/Noise (20MHz bandwidth): 30mVp-p(Typ.)
Input Characteristics
| Items | Working conditions | Min. | Typ. | Max. | Unit |
Input current (fully loaded/ unloaded) | 3.3VDC Input | -- | 378/6 | --/12 | mA |
| 5VDC Input | -- | 224/5 | --/10 | ||
| 12VDC Input | -- | 93/3 | --/5 | ||
| 15VDC Input | -- | 74/2 | --/4 | ||
| 24VDC Input | -- | 47/1 | --/2 | ||
| Reflected Ripple Current | -- | 15 | -- | mA | |
| Impulse voltage (Isec.max) | 3.3VDC Input | -0.7 | -- | 5 | VDC |
| 5VDC Input | -0.7 | -- | 9 | ||
| 12VDC Input | -0.7 | -- | 18 | ||
| 15VDC Input | -0.7 | -- | 21 | ||
| 24VDC Input | -0.7 | -- | 30 | ||
| Input filter type | Capacitive filtering | ||||
| Hot plug | Not available | ||||
Output Characteristics
| Items | Working and test conditions | Min. | Typ. | Max. | Unit | |
| Output load | Load percentage | 10 | -- | 100 | % | |
| Output VoltageAccuracy | Refer to Error Envelope Curve | -- | -- | ±15.0 | % | |
| Linear adjustment rate | Input voltage variation ±1% | 3.3V Output | -- | -- | ±1.5 | % |
| Others | -- | -- | ±1.2 | % | ||
| Load Regulation | 10%~100% Load | 3.3VDC Output | -- | 18 | % | |
| 5VDC Output | -- | 12 | % | |||
| 9VDC Output | -- | 8 | % | |||
| 12VDC Output | -- | 7 | % | |||
| 15VDC Output | -- | 6 | % | |||
| 24VDC Output | -- | 5 | % | |||
| Ripple & Noise | Pure resistive load, 20MHz bandwidth, peak-to-peak | -- | 30 | 80 | mVp-p | |
| Temperature Drift Coefficient | Full load | -- | -- | ±0.03 | %/°C | |
| Output short circuit protection | Continuous short circuit protection, automatic recovery | |||||
| Note: ①The test method of ripple and noise is twisted pair test method | ||||||
